Finding the Fourth Proportional to 112,446.98, 168,694.77 and 42,326.09

Step by Step Solution

1. Step 1: Write the proportion equation
   112,446.98 : 168,694.77 = 42,326.09 : x
2. Step 2: Convert to fraction form
   112,446.98/168,694.77 = 42,326.09/x
3. Step 3: Cross multiply
   112,446.98x = 168,694.77 × 42,326.09
4. Step 4: Simplify right side
   112,446.98x = 7,140,190,017.55
5. Step 5: Solve for x
   x = 7,140,190,017.55/112,446.98
6. Step 6: Final answer
   x = 63,498.28